molybdenum
- Formula: Mo
- Molecular weight: 95.96
- IUPAC Standard InChI: InChI=1S/Mo
- IUPAC Standard InChIKey: ZOKXTWBITQBERF-UHFFFAOYSA-N
- CAS Registry Number: 7439-98-7
- Chemical structure:
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- Information on this page:
- Other data available:
- Data at other public NIST sites:
- NIST Atomic Spectra Database - Lines Holdings (on physics web site)
- NIST Atomic Spectra Database - Levels Holdings (on physics web site)
- NIST Atomic Spectra Database - Ground states and ionization energies (on physics web site)
- Gas Phase Kinetics Database
- X-ray Photoelectron Spectroscopy Database, version 5.0
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Condensed phase thermochemistry data
Go To: Top, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | 9.935 | kcal/mol | Review | Chase, 1998 | Data last reviewed in March, 1978 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid,1 bar | 10.31 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in March, 1978 |
| Quantity | Value | Units | Method | Reference | Comment |
| S°solid | 6.836 | cal/mol*K | Review | Chase, 1998 | Data last reviewed in March, 1978 |
Liquid Phase Heat Capacity (Shomate Equation)
Cp° = A + B*t + C*t2 + D*t3 +
E/t2
H° − H°298.15= A*t + B*t2/2 +
C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 −
E/(2*t2) + G
Cp = heat capacity (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 2896. to 4951.969 |
|---|---|
| A | 9.000010 |
| B | -1.717990×10-8 |
| C | 3.378170×10-9 |
| D | -2.276860×10-10 |
| E | -3.735189×10-8 |
| F | 4.018990 |
| G | 16.84550 |
| H | 9.935001 |
| Reference | Chase, 1998 |
| Comment | Data last reviewed in March, 1978 |
Solid Phase Heat Capacity (Shomate Equation)
Cp° = A + B*t + C*t2 + D*t3 +
E/t2
H° − H°298.15= A*t + B*t2/2 +
C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 −
E/(2*t2) + G
Cp = heat capacity (cal/mol*K)
H° = standard enthalpy (kcal/mol)
S° = standard entropy (cal/mol*K)
t = temperature (K) / 1000.
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| Temperature (K) | 298. to 1900. | 1900. to 2896. |
|---|---|---|
| A | 5.909981 | 294.2620 |
| B | 0.946564 | -230.2640 |
| C | -0.303706 | 67.81291 |
| D | 0.275589 | -6.701960 |
| E | -0.040690 | -170.2210 |
| F | -1.938500 | -355.0500 |
| G | 13.48800 | 137.1380 |
| H | 0.000000 | 0.000000 |
| Reference | Chase, 1998 | Chase, 1998 |
| Comment | Data last reviewed in March, 1978 | Data last reviewed in March, 1978 |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
S°liquid,1 bar Entropy of liquid at standard conditions (1 bar) S°solid Entropy of solid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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